I always just snug up the bolts and never had a problem. I'm sure RamTech (Randy) will tell you the exact specs. On tranny fluids ATF+4 is already full synthetic so Mopar fluid is fine and probably the best for the vehicle. Don't need to get fancy and pay more for anything else. I did mine and used Mopar with no ill effects. Went from ATF+3 to ATF+4 in my case. The fluid change interval on the 46RE I believe is around 30-40K miles. If the fluid smells burnt then it may be time to look at the tranny cooler and make sure it's not plugged up.
Manual trannys never use tranny fluid regardless of manufaturer. They always use a tranny lubricant that is thicker than tranny fluid.
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